ITEM NAME:2pcs NE555 Adjustable Resistnce Frequency Pulse Generator Module Z Features: 100% Brand new and high quality! On-board chip NE555. A single channel output, the output duty cycle square wave is about fifty percent. Onboard adjustable resistance, resistance can be controlled to adjust the output frequency. Best choice for yourself or your friend.You will not be disappointed! Specifications: Color: Blue Working voltage: 5-12V Size: 29 (mm) x12 (mm) Package included:.On-board chip NE555. A single channel output, the output duty cycle square wave is about fifty percent. Best choice for yourself or your friend.You will not be disappointed! Size: 29 (mm) x12 (mm).
